./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/test-semi1.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 53f42b1a
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/test-semi1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 07:48:45,692 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-20 07:48:45,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 07:48:45,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 07:48:45,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 07:48:45,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 07:48:45,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 07:48:45,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 07:48:45,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 07:48:45,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 07:48:45,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 07:48:45,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 07:48:45,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 07:48:45,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 07:48:45,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 07:48:45,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 07:48:45,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 07:48:45,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 07:48:45,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 07:48:45,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 07:48:45,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 07:48:45,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 07:48:45,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 07:48:45,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 07:48:45,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 07:48:45,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 07:48:45,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 07:48:45,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 07:48:45,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 07:48:45,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 07:48:45,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 07:48:45,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 07:48:45,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 07:48:45,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 07:48:45,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 07:48:45,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 07:48:45,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 07:48:45,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 07:48:45,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 07:48:45,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 07:48:45,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 07:48:45,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2021-11-20 07:48:45,899 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-20 07:48:45,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 07:48:45,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 07:48:45,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 07:48:45,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 07:48:45,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 07:48:45,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 07:48:45,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-20 07:48:45,911 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-20 07:48:45,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 07:48:45,912 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-20 07:48:45,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-20 07:48:45,913 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-20 07:48:45,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-20 07:48:45,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-20 07:48:45,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 07:48:45,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-20 07:48:45,914 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-20 07:48:45,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-20 07:48:45,915 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-20 07:48:45,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-20 07:48:45,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 07:48:45,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-20 07:48:45,916 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-11-20 07:48:45,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-20 07:48:45,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:48:45,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 07:48:45,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 07:48:45,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-20 07:48:45,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-20 07:48:45,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-20 07:48:45,920 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-20 07:48:45,920 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-11-20 07:48:45,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-20 07:48:45,921 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-11-20 07:48:45,921 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-11-20 07:48:45,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f
[2021-11-20 07:48:46,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 07:48:46,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 07:48:46,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 07:48:46,258 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-20 07:48:46,259 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-20 07:48:46,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/weaver/test-semi1.wvr.c
[2021-11-20 07:48:46,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/data/fc67d4158/c27d6c42a9024fc9a09c15700d11e5e3/FLAGb6c6c138f
[2021-11-20 07:48:46,895 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-20 07:48:46,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/sv-benchmarks/c/weaver/test-semi1.wvr.c
[2021-11-20 07:48:46,907 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/data/fc67d4158/c27d6c42a9024fc9a09c15700d11e5e3/FLAGb6c6c138f
[2021-11-20 07:48:47,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/data/fc67d4158/c27d6c42a9024fc9a09c15700d11e5e3
[2021-11-20 07:48:47,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 07:48:47,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 07:48:47,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 07:48:47,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 07:48:47,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 07:48:47,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ccf3431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47, skipping insertion in model container
[2021-11-20 07:48:47,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-20 07:48:47,299 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:48:47,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/sv-benchmarks/c/weaver/test-semi1.wvr.c[1979,1992]
[2021-11-20 07:48:47,515 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:48:47,523 INFO L203 MainTranslator]: Completed pre-run
[2021-11-20 07:48:47,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/sv-benchmarks/c/weaver/test-semi1.wvr.c[1979,1992]
[2021-11-20 07:48:47,543 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:48:47,557 INFO L208 MainTranslator]: Completed translation
[2021-11-20 07:48:47,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47 WrapperNode
[2021-11-20 07:48:47,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 07:48:47,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 07:48:47,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 07:48:47,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 07:48:47,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,608 INFO L137 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71
[2021-11-20 07:48:47,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 07:48:47,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 07:48:47,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 07:48:47,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 07:48:47,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 07:48:47,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 07:48:47,658 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 07:48:47,658 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-20 07:48:47,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (1/1) ...
[2021-11-20 07:48:47,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:48:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:48:47,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 07:48:47,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 07:48:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 07:48:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2021-11-20 07:48:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2021-11-20 07:48:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2021-11-20 07:48:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2021-11-20 07:48:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-20 07:48:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-20 07:48:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-20 07:48:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-11-20 07:48:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-11-20 07:48:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 07:48:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 07:48:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-20 07:48:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-20 07:48:47,752 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-11-20 07:48:47,859 INFO L236 CfgBuilder]: Building ICFG
[2021-11-20 07:48:47,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 07:48:48,000 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-20 07:48:48,037 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 07:48:48,037 INFO L301 CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-20 07:48:48,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:48 BoogieIcfgContainer
[2021-11-20 07:48:48,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 07:48:48,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 07:48:48,042 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 07:48:48,046 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-20 07:48:48,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:48:47" (1/3) ...
[2021-11-20 07:48:48,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1c9b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:48, skipping insertion in model container
[2021-11-20 07:48:48,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:47" (2/3) ...
[2021-11-20 07:48:48,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b1c9b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:48, skipping insertion in model container
[2021-11-20 07:48:48,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:48" (3/3) ...
[2021-11-20 07:48:48,049 INFO L111 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c
[2021-11-20 07:48:48,054 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-11-20 07:48:48,055 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 07:48:48,055 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-20 07:48:48,055 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-11-20 07:48:48,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-11-20 07:48:48,114 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-11-20 07:48:48,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-11-20 07:48:48,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3
[2021-11-20 07:48:48,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-11-20 07:48:48,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-11-20 07:48:48,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-11-20 07:48:48,299 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-20 07:48:48,300 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-11-20 07:48:48,473 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:48:48,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:48:48,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1781107898, now seen corresponding path program 1 times
[2021-11-20 07:48:48,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:48:48,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527863521]
[2021-11-20 07:48:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:48:48,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:48:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:48:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:48:48,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:48:48,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527863521]
[2021-11-20 07:48:48,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527863521] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:48:48,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:48:48,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-20 07:48:48,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948422565]
[2021-11-20 07:48:48,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:48:48,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-20 07:48:48,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:48:48,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-20 07:48:48,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 07:48:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:48:48,706 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:48:48,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:48:48,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:48:48,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:48:48,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-20 07:48:48,748 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] ===
[2021-11-20 07:48:48,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:48:48,749 INFO L85 PathProgramCache]: Analyzing trace with hash -148859242, now seen corresponding path program 1 times
[2021-11-20 07:48:48,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:48:48,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287388788]
[2021-11-20 07:48:48,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:48:48,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:48:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:48:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:48:49,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:48:49,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287388788]
[2021-11-20 07:48:49,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287388788] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:48:49,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:48:49,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-11-20 07:48:49,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953729198]
[2021-11-20 07:48:49,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:48:49,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-20 07:48:49,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:48:49,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-20 07:48:49,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2021-11-20 07:48:49,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:48:49,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-11-20 07:48:49,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:48:49,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:48:49,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:48:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:48:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-11-20 07:48:49,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2021-11-20 07:48:49,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining)
[2021-11-20 07:48:49,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining)
[2021-11-20 07:48:49,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-20 07:48:49,364 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-20 07:48:49,366 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-11-20 07:48:49,367 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-20 07:48:49,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:48:49 BasicIcfg
[2021-11-20 07:48:49,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-20 07:48:49,371 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-20 07:48:49,371 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-20 07:48:49,371 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-20 07:48:49,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:48" (3/4) ...
[2021-11-20 07:48:49,375 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-20 07:48:49,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2021-11-20 07:48:49,381 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2021-11-20 07:48:49,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2021-11-20 07:48:49,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-11-20 07:48:49,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-20 07:48:49,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-20 07:48:49,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/witness.graphml
[2021-11-20 07:48:49,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-20 07:48:49,431 INFO L158 Benchmark]: Toolchain (without parser) took 2172.48ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 64.6MB in the end (delta: -14.7MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB.
[2021-11-20 07:48:49,431 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:48:49,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.28ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 77.0MB in the end (delta: -27.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB.
[2021-11-20 07:48:49,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.43ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:48:49,433 INFO L158 Benchmark]: Boogie Preprocessor took 47.18ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.5MB in the end (delta: 986.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:48:49,433 INFO L158 Benchmark]: RCFGBuilder took 382.55ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 62.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-20 07:48:49,434 INFO L158 Benchmark]: TraceAbstraction took 1328.21ms. Allocated memory is still 100.7MB. Free memory was 61.2MB in the beginning and 67.2MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:48:49,434 INFO L158 Benchmark]: Witness Printer took 59.24ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 64.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:48:49,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 296.28ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 77.0MB in the end (delta: -27.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.43ms. Allocated memory is still 100.7MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 47.18ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.5MB in the end (delta: 986.9kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 382.55ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 62.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 1328.21ms. Allocated memory is still 100.7MB. Free memory was 61.2MB in the beginning and 67.2MB in the end (delta: -6.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 59.24ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 64.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 182, positive: 171, positive conditional: 63, positive unconditional: 108, negative: 11, negative conditional: 9, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 63, positive unconditional: 108, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 63, positive unconditional: 108, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 21, positive unconditional: 150, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 173, positive: 171, positive conditional: 19, positive unconditional: 152, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 19, positive unconditional: 152, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 173, positive: 60, positive conditional: 19, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 2, Maximal queried relation: 0, Independence queries for same thread: 9
- StatisticsResult: Persistent set benchmarks
Persistent set computation time: 0.1s, Number of persistent set computation: 68, Number of trivial persistent sets: 53, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110, positive: 108, positive conditional: 0, positive unconditional: 108, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 182, positive: 171, positive conditional: 63, positive unconditional: 108, negative: 11, negative conditional: 9, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 63, positive unconditional: 108, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 63, positive unconditional: 108, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 21, positive unconditional: 150, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 173, positive: 171, positive conditional: 19, positive unconditional: 152, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 171, positive conditional: 19, positive unconditional: 152, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, positive: 110, positive conditional: 0, positive unconditional: 110, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 173, positive: 60, positive conditional: 19, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 2, Maximal queried relation: 0, Independence queries for same thread: 9
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 72]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 90 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2021-11-20 07:48:49,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2021-11-20 07:48:49,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3730be1-55d5-4526-9c05-3cc43fe1580b/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE